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A verb dating back to the Holy Roman Empire which literally stands for ''To Unforgive''. The word passed from early German into English due to mass migration with the black plague disease.
''She's being such an Uibo today'' - she refuses forgiveness.

''Is your girlfriend also giving you the Uibo today?''

''Is he Uibo-ing you again?''

''This act has been Uibonized'' - his act has been classified as unforgivable
by Ernst Tonisson December 18, 2011
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The vengeful act of crapping on a lover's chest while they sleep.

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